<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 为 echarts 准备一个有大小(宽高)的 Dem -->
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'
import { getReports } from '@/api/report'

export default {
  name: 'report-list',
  data() {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  async mounted() {
    // 基于准备好的 Dem 初始化 echarts 实例
    var myChart = echarts.init(document.getElementById('main'))
    const res = await getReports()
    if (res.meta.status === 200) {
      // 准备数据和配置项
      const result = _.merge(res.data, this.options)
      // 展示数据
      myChart.setOption(result)
    } else {
      this.$message.error('获取图标信息失败')
    }
  },
  methods: {}
}
</script>

<style scoped></style>
